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updated print module

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This commit is contained in:
Scheianu Ionut
2025-09-22 21:53:08 +03:00
parent 921ea43834
commit b49a22832d
4 changed files with 223 additions and 25 deletions
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42
py_app/app/templates/print_module.html
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@@ -720,34 +720,25 @@ function updatePrintButtonForService(serviceAvailable) {
}
}
// Enhanced print function with Windows service support
// Enhanced print function with Windows service support - NEW SERVER-SIDE APPROACH
async function printLabelsWithService(orderId, prodOrder, quantity) {
console.log(`🖨️ printLabelsWithService called - Order: ${orderId}, Quantity: ${quantity}`);
try {
// Generate PDF URL
const pdfUrl = `${window.location.origin}/generate_labels_pdf/${orderId}`;
console.log(`📄 PDF URL: ${pdfUrl}`);
// Get selected printer from dropdown
const selectedPrinter = getSelectedPrinter();
console.log(`🖨️ Selected printer: ${selectedPrinter}`);
// Prepare print data for service
// Use new server-side endpoint that bypasses CORS
const printData = {
pdf_url: pdfUrl,
printer_name: selectedPrinter,
copies: 1,
silent: true,
order_id: orderId,
quantity: quantity
printer_name: selectedPrinter
};
console.log('📋 Print request data:', printData);
console.log(`📡 Sending to: ${PRINT_SERVICE_URL}/print/silent`);
console.log(`📡 Sending to server endpoint: /print_labels_silent/${orderId}`);
// Send to Windows service
const response = await fetch(`${PRINT_SERVICE_URL}/print/silent`, {
// Send to Flask server which handles Windows service communication
const response = await fetch(`/print_labels_silent/${orderId}`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
@@ -755,10 +746,10 @@ async function printLabelsWithService(orderId, prodOrder, quantity) {
body: JSON.stringify(printData)
});
console.log(`📨 Service response status: ${response.status}`);
console.log(`📨 Server response status: ${response.status}`);
const result = await response.json();
console.log('📋 Service response data:', result);
console.log('📋 Server response data:', result);
if (response.ok && result.success) {
// Success - labels printed silently
@@ -771,13 +762,24 @@ async function printLabelsWithService(orderId, prodOrder, quantity) {
await updatePrintedStatus(orderId);
return true;
} else if (response.status === 503 && result.fallback === 'pdf_download') {
// Windows service not available - inform user and suggest fallback
console.warn('⚠️ Windows service not available, showing service setup info');
alert(`⚠️ Windows Print Service Not Available\n\n${result.error}\n\n📋 To enable silent printing:\n1. Install the Windows Print Service\n2. Start the service: sc start QualityLabelPrinting\n3. Restart your browser\n\n💡 For now, use the "Generate PDF" button for manual printing.`);
// Mark service as unavailable for this session
printServiceAvailable = false;
updatePrintButtonForService(false);
throw new Error('Windows Print Service not available');
} else {
console.error('❌ Service returned error:', result);
throw new Error(result.error || `Print service failed with status ${response.status}`);
console.error('❌ Server returned error:', result);
throw new Error(result.error || `Print operation failed with status ${response.status}`);
}
} catch (error) {
console.error('❌ Windows service print error:', error);
console.error('❌ Server-side print error:', error);
throw error;
}
}